940129 has 4 divisors (see below), whose sum is σ = 942084. Its totient is φ = 938176.

The previous prime is 940127. The next prime is 940157. The reversal of 940129 is 921049.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 603729 + 336400 = 777^2 + 580^2 .

It is a cyclic number.

It is not a de Polignac number, because 940129 - 2¹ = 940127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (940127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309 + ... + 1405.

It is an arithmetic number, because the mean of its divisors is an integer number (235521).

2⁹⁴⁰¹²⁹ is an apocalyptic number.

It is an amenable number.

940129 is a deficient number, since it is larger than the sum of its proper divisors (1955).

940129 is a wasteful number, since it uses less digits than its factorization.

940129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 940129 is about 969.6024958714. The cubic root of 940129 is about 97.9630917520.

The spelling of 940129 in words is "nine hundred forty thousand, one hundred twenty-nine".